PLANET CS-1000 - Manual (Page 185)

Multi-Homing Security Gateway User’s Manual
Check sender account : Select to allow CS-1000 checking sender’s account when it receives the mail, if the
sender’s account is faked, CS-1000 will treat the mail as the spam.
Check sender IP address in RBL (Realtime Blackhole List) : Select this function to allow CS-1000 checking
mail with RBL list to Judge the spam mail.
Add score tag to the subject line : If select this function, all received mail will be added a score tag in the
mail subject.
Action of Spam Mail : When CS-1000 filters the spam mail, there are three kinds of actions for Internal Mail
Server and one action for External Mail server to arrange the spam mail:
Delete the spam mail: If select this option, the spam mail will be deleted without any notification.
Deliver to the recipient: Pass the mail to the recipient, and add a “SPAM” in the mail subject. This
function is available for Internal and External Mail Server.
Forward to: Select to forward spam mail to a specific mail account; that can be easily to manage the spam
mail.
Configure an Anti- Spam setting
After setup the relevant settings in Mail Relay function of Configure, add the following settings in this
function:
1. The Mail Server is placed in Internal (LAN or DMZ)
2. The threshold score: Enter 5
3. Add the message to the subject line: Enter ---spam---
4. Select the spam mail filtering system to enable the Anti-spam function
5. Select Add score tag to the subject line
6. Select Deliver to the recipient
7. Click OK.
3.5.2.2 Rule
The Multi-Homing Security Gateway’s Administrator may use the rule setting to classify the spam mail based
on a certain condition. The rule also can allow CS-1000 to record the mail type by auto-learning system in
order to judge the spam mail.
Click on Mail Security in the menu bar, then click on Rule below the Anti-Spam menu. The Rule window will
appear.
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